Question

Find the center and the radius of the circle which (6,-2) and (-4,4)are endpoints of a diameter.

Please help!

Answer 1

first, the diameter: use the distance formula.
second, the center: xcenter= 6+-4 /2=2
ycenter= -2+4 /2= 1

Answer 2

So for the diameter I got 136. This that right?